<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[dixiang7674的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/dixiang7674</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; dixiang7674]]></copyright><item><title><![CDATA[老鼠繁殖问题(老鼠有死亡)]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185257</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185257</guid><author>dixiang7674</author><pubDate>Mon, 11 Jun 2012 20:19:00 +0800</pubDate><description><![CDATA[同学的同学问了这样一个问题：
有一对小老鼠，出生一周后长成一对大老鼠，两周后这对老鼠生出第一对小老鼠，三周后上周出生的小老鼠变成大老鼠，而原来的大老鼠又生出了一对小老鼠之后便死了，四周后，第一对出生的小老鼠(此时已经是大老鼠)又生出了一对小老鼠，此时共有三对老鼠。编程，计算N周后有多少对老鼠？

首先，这个问题如果小鼠没有死亡，就是一个典型的斐波那契数列(事实上斐波那契数列最早就...]]></description><category></category></item><item><title><![CDATA[C++强大背后【转】]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185255</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185255</guid><author>dixiang7674</author><pubDate>Fri, 08 Jun 2012 19:25:00 +0800</pubDate><description><![CDATA[原文在这里：http://www.cnblogs.com/miloyip/archive/2010/09/17/behind_cplusplus.html
Orz.......
============================================
在31年前(1979年)，一名刚获得博士学位的研究员，为了开发一个软件项目发明了一门新编程语言，该研究员名为Bjar...]]></description><category></category></item><item><title><![CDATA[Ubuntu在laptop-mode(用电池的模式)下USB鼠标失效问题]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185266</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185266</guid><author>dixiang7674</author><pubDate>Wed, 06 Jun 2012 17:03:00 +0800</pubDate><description><![CDATA[这个问题是由于为了省电，USB接口会在断电情况下自动挂起。
解决方法：
1. lsusb
　　看一下当前的usb设备，找到你的鼠标，有个id记下
2. sudo vi /etc/laptop-mode/conf.d/usb-autosuspend.conf
　　找到AUTOSUSPEND_USBID_BLACKLIST=“”
　　把id加入引号中即可

========...]]></description><category></category></item><item><title><![CDATA[SPOJ Classical problems 4 TRANSFORM THE EXPRESSION(ONP)]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185253</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185253</guid><author>dixiang7674</author><pubDate>Sun, 03 Jun 2012 15:30:00 +0800</pubDate><description><![CDATA[http://www.spoj.pl/problems/ONP/
Transform the algebraic expression with brackets into RPN form (Reverse Polish Notation). Two-argument operators: +, -, *, /, ^ (priority from the lowest to the ...]]></description><category></category></item><item><title><![CDATA[Ubuntu 安装ATI显卡驱动12.4失败的解决方法]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185265</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185265</guid><author>dixiang7674</author><pubDate>Sat, 02 Jun 2012 09:11:00 +0800</pubDate><description><![CDATA[A卡驱动很不靠谱，前几个版本包括最新的12.4在正常情况下是无法安装成功的。
难道ATI觉得Linux用户都是大神...可以自己给他们的驱动打补丁，所以故意放出会出现错误的驱动。
========================华丽的分割线==============================
12.4在安装过程中Ubuntu12.04会report bug，如果你看到这个，...]]></description><category></category></item><item><title><![CDATA[2012百度之星资格赛E题]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185264</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185264</guid><author>dixiang7674</author><pubDate>Thu, 31 May 2012 18:53:00 +0800</pubDate><description><![CDATA[E:C++ 与Java


时间限制:2000ms内存限制:65536kB
描述
在百度之星的贴吧里面，Java的爱好者和C++的爱好者总是能为这两种语言哪个更好争论上几个小时。Java的爱好者会说他们的程序更加整洁且不易出错。C++的爱好者则会嘲笑Java程序很慢而且代码很长。另一个Java和C++爱好者不能达成一致的争论点就是命名问题。在Java中一个多个单词构成的变...]]></description><category></category></item><item><title><![CDATA[joj2476: Star travel]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185263</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185263</guid><author>dixiang7674</author><pubDate>Wed, 16 May 2012 19:23:00 +0800</pubDate><description><![CDATA[2476: Star travel



ResultTIME LimitMEMORY LimitRun TimesAC TimesJUDGE


3s
65536K
895
177
Standard




In the future world, one can travel by spaceship from one star to anoth...]]></description><category></category></item><item><title><![CDATA[最短路径算法----Dijkstra]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185262</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185262</guid><author>dixiang7674</author><pubDate>Tue, 15 May 2012 12:23:00 +0800</pubDate><description><![CDATA[最近上图论，学了单源最短路径的Dijkstra算法。
Dijkstra算法的核心思想是贪心策略+动态规划。
老师只字不提思想，硬分析过程还是有点@#$%的。
结果就是，原先我还挺懂的，听完就凌乱了。

在这里写一下吧
=================================================
参考资料:
Wikipedia：http://en.w...]]></description><category></category></item><item><title><![CDATA[Ubuntu12.04 JDK7下eclipse不能启动]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185191</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185191</guid><author>dixiang7674</author><pubDate>Mon, 14 May 2012 23:08:00 +0800</pubDate><description><![CDATA[刚安了JDK7，就发现eclipse不能启动了。
log如下：
!SESSION 2012-05-14 22:52:02.394 -----------------------------------------------eclipse.buildId=I20110613-1736java.version=1.7.0_04java.vendor=Oracle Corporation...]]></description><category></category></item><item><title><![CDATA[Ubuntu12.04 配置JDK7]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185193</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185193</guid><author>dixiang7674</author><pubDate>Mon, 14 May 2012 22:32:00 +0800</pubDate><description><![CDATA[一. 下载JDK
下载地址在这里http://www.oracle.com/technetwork/java/javase/downloads/jdk-7u4-downloads-1591156.html
二. 解压安装

sudo tar zxvf ./jdk-7u4-linux-i586.tar.gz -C /usr/lib/jvm
cd /usr/lib/jvm
sud...]]></description><category></category></item><item><title><![CDATA[Google's Python Class 笔记(Python Set Up)]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185250</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185250</guid><author>dixiang7674</author><pubDate>Sat, 12 May 2012 21:56:00 +0800</pubDate><description><![CDATA[　　Python入门的书并没有多少，但其实python也不需要特别像学习C语言一样一板一眼的学，完全可以通过写小程序或者看一些速成的教程(前提是你已经有了程序设计基础)学。我是通过Google Python Class进行学习，在这里记录一下学习笔记。
===================================================================...]]></description><category></category></item><item><title><![CDATA[自己动手写俄罗斯方块(C语言+Windows API)]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185248</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185248</guid><author>dixiang7674</author><pubDate>Sat, 12 May 2012 18:33:00 +0800</pubDate><description><![CDATA[　　一直想写个小游戏什么的，俄罗斯方块是个不错的选择，遂在网上查找了相应资料。
　　这里推荐大郑同学写得教程(http://iask.sina.com.cn/u/2172782541/ish?folderid=567144)
　　很不错，一步一步循序渐进地讲解了俄罗斯方块需要的各个函数怎么实现。

效果图（其实我基本上就是照着敲了大郑同学的做图的各个函数，略加入了少许自己的东西...]]></description><category></category></item><item><title><![CDATA[joj1968: Common Subsequence]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185261</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185261</guid><author>dixiang7674</author><pubDate>Tue, 08 May 2012 10:35:00 +0800</pubDate><description><![CDATA[1968: Common Subsequence



ResultTIME LimitMEMORY LimitRun TimesAC TimesJUDGE


1s
4096K
781
227
Standard




A subsequence of a given sequence is the given sequence with some...]]></description><category></category></item><item><title><![CDATA[joj2511: Number triangle]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185260</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185260</guid><author>dixiang7674</author><pubDate>Mon, 07 May 2012 22:40:00 +0800</pubDate><description><![CDATA[2511: Number triangle



ResultTIME LimitMEMORY LimitRun TimesAC TimesJUDGE


1s
65536K
467
233
Standard




        5
      3   4
    8   1   2
  5   4   3   6
2   1   7  ...]]></description><category></category></item><item><title><![CDATA[joj1148: Prime Cuts]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185247</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185247</guid><author>dixiang7674</author><pubDate>Sun, 06 May 2012 20:24:00 +0800</pubDate><description><![CDATA[1148: Prime Cuts



ResultTIME LimitMEMORY LimitRun TimesAC TimesJUDGE


3s
8192K
1346
447
Standard




A prime number is a counting number (1, 2, 3, ...) that is evenly divisibl...]]></description><category></category></item><item><title><![CDATA[joj1196: Goldbach]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185258</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185258</guid><author>dixiang7674</author><pubDate>Sun, 06 May 2012 19:11:00 +0800</pubDate><description><![CDATA[1196: Goldbach



ResultTIME LimitMEMORY LimitRun TimesAC TimesJUDGE


3s
8192K
2275
745
Standard




In 1742, Christian Goldbach, a German amateur mathematician, sent a letter t...]]></description><category></category></item><item><title><![CDATA[joj2573: Product of two primes]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185256</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185256</guid><author>dixiang7674</author><pubDate>Sun, 06 May 2012 18:37:00 +0800</pubDate><description><![CDATA[2573: Product of two primes



ResultTIME LimitMEMORY LimitRun TimesAC TimesJUDGE


3s
65536K
929
287
Standard




输出所有在10000 – 20000之间，恰好可以分解为两个素数乘积的整数。将这些数从小到大输出。
Input
无
...]]></description><category></category></item><item><title><![CDATA[joj1483 Exponentiation]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185197</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185197</guid><author>dixiang7674</author><pubDate>Sat, 05 May 2012 23:02:00 +0800</pubDate><description><![CDATA[1483: Exponentiation



ResultTIME LimitMEMORY LimitRun TimesAC TimesJUDGE


3s
8192K
365
109
Standard




Problems involving the computation of exact values of very large magn...]]></description><category></category></item><item><title><![CDATA[joj 1920:Jojer]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185195</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185195</guid><author>dixiang7674</author><pubDate>Fri, 04 May 2012 22:20:00 +0800</pubDate><description><![CDATA[1920: Jojer



ResultTIME LimitMEMORY LimitRun TimesAC TimesJUDGE


3s
8192K
784
242
Standard




Mr Jojer is a teacher, and he is crazy in programming, he wants the computer t...]]></description><category></category></item><item><title><![CDATA[joj2154 Hungry Rabbits]]></title><link>https://blog.youkuaiyun.com/dixiang7674/article/details/101185192</link><guid>https://blog.youkuaiyun.com/dixiang7674/article/details/101185192</guid><author>dixiang7674</author><pubDate>Thu, 03 May 2012 22:33:00 +0800</pubDate><description><![CDATA[2154: Hungry Rabbits



ResultTIME LimitMEMORY LimitRun TimesAC TimesJUDGE


3s
8192K
1231
423
Standard



A group of hungry rabbits had got a basket of carrots, but these carrots...]]></description><category></category></item></channel></rss>